CN108321040B - Circuit breaker transmission structure and circuit breaker equipment adopting same - Google Patents
Circuit breaker transmission structure and circuit breaker equipment adopting same Download PDFInfo
- Publication number
- CN108321040B CN108321040B CN201810031297.6A CN201810031297A CN108321040B CN 108321040 B CN108321040 B CN 108321040B CN 201810031297 A CN201810031297 A CN 201810031297A CN 108321040 B CN108321040 B CN 108321040B
- Authority
- CN
- China
- Prior art keywords
- pull rod
- circuit breaker
- insulating
- connecting lever
- support
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Active
Links
- 230000005540 biological transmission Effects 0.000 title claims abstract description 77
- 238000004880 explosion Methods 0.000 claims abstract description 41
- 230000007246 mechanism Effects 0.000 claims abstract description 29
- 230000009471 action Effects 0.000 claims abstract description 5
- 238000005266 casting Methods 0.000 claims description 5
- 230000000149 penetrating effect Effects 0.000 claims 4
- 238000009413 insulation Methods 0.000 abstract description 2
- 235000017166 Bambusa arundinacea Nutrition 0.000 description 16
- 235000017491 Bambusa tulda Nutrition 0.000 description 16
- 241001330002 Bambuseae Species 0.000 description 16
- 235000015334 Phyllostachys viridis Nutrition 0.000 description 16
- 239000011425 bamboo Substances 0.000 description 16
- 230000033001 locomotion Effects 0.000 description 11
- 230000005684 electric field Effects 0.000 description 5
- 238000007789 sealing Methods 0.000 description 4
- 238000004519 manufacturing process Methods 0.000 description 3
- 238000000034 method Methods 0.000 description 3
- 230000008569 process Effects 0.000 description 3
- 238000010586 diagram Methods 0.000 description 2
- 239000012212 insulator Substances 0.000 description 2
- 230000004048 modification Effects 0.000 description 2
- 238000012986 modification Methods 0.000 description 2
- 238000006243 chemical reaction Methods 0.000 description 1
- 230000006872 improvement Effects 0.000 description 1
- 238000002955 isolation Methods 0.000 description 1
- 229910052573 porcelain Inorganic materials 0.000 description 1
- 238000006467 substitution reaction Methods 0.000 description 1
Images
Classifications
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01H—ELECTRIC SWITCHES; RELAYS; SELECTORS; EMERGENCY PROTECTIVE DEVICES
- H01H71/00—Details of the protective switches or relays covered by groups H01H73/00 - H01H83/00
- H01H71/02—Housings; Casings; Bases; Mountings
- H01H71/0207—Mounting or assembling the different parts of the circuit breaker
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01H—ELECTRIC SWITCHES; RELAYS; SELECTORS; EMERGENCY PROTECTIVE DEVICES
- H01H71/00—Details of the protective switches or relays covered by groups H01H73/00 - H01H83/00
- H01H71/10—Operating or release mechanisms
Landscapes
- Driving Mechanisms And Operating Circuits Of Arc-Extinguishing High-Tension Switches (AREA)
- Circuit Breakers (AREA)
Abstract
The invention relates to a circuit breaker transmission structure and circuit breaker equipment adopting the structure. The circuit breaker transmission structure includes first, two explosion chambers of symmetrical arrangement, the first, two explosion chamber connecting levers of being connected with the movable contact pole transmission respectively, with the insulating pull rod of each explosion chamber connecting lever articulated and be used for driving the pull rod drive connecting lever of insulating pull rod action, insulating pull rod include respectively with first, two explosion chamber connecting levers articulated first, two insulating pull rods, each insulating pull rod simultaneously with pull rod drive connecting lever is articulated, pull rod drive connecting lever, first insulation pull rod and first explosion chamber connecting lever form parallelogram mechanism, pull rod drive connecting lever, the insulating pull rod of second and second explosion chamber connecting lever form anti-parallelogram mechanism. The scheme solves the problems that the existing circuit breaker transmission structure has more transmission links and a complex structure.
Description
Technical Field
The invention relates to a circuit breaker transmission structure and circuit breaker equipment adopting the structure.
Background
In the breaker equipment such as GIS and GCB above 550kV, the circuit breaker mostly adopts the double break structure, for example, the double break structure that a double acting knob insulator type circuit breaker that is disclosed in the Chinese patent with the publication number of CN2224460Y adopts, include the breaker barrel that is formed by the jar body, be equipped with the first, two explosion chambers of symmetrical arrangement in the breaker barrel, first, two explosion chambers support on the support tube in the middle part of the jar body through insulating support tube, and be connected with the operating mechanism that sets up in the breaker barrel lower part through insulating pull rod and pull rod drive connecting lever, the operating mechanism needs to realize the conversion between the up-and-down motion of insulating pull rod and the horizontal motion of explosion chamber moving contact through the circuit breaker drive structure during operation. Meanwhile, in order to reduce the size, the electric field intensity between the insulating support cylinder and the transmission case needs to be reduced to the maximum extent, and the insulating structure needs to be optimized.
The above patent does not specifically describe the circuit breaker transmission structure. In the conventional transmission structure of the circuit breaker, for example, the transmission structure adopted in the double-acting porcelain knob type circuit breaker disclosed in one embodiment of the chinese patent with the publication number CN206250114U, a connecting plate is hinged between a pull rod driving connecting lever and an insulating pull rod, and connecting plates are respectively hinged between an arc extinguish chamber connecting lever and the insulating pull rod as well as between the arc extinguish chamber connecting lever and a moving contact rod, so that the transmission links are more, the moving mass is larger, the structure is complex, and the transmission efficiency is low. Meanwhile, the structure needs to be provided with a longer post insulator to ensure the insulating property, and the occupied space is large.
Chinese patent application publication No. CN104201069A also discloses a similar circuit breaker transmission structure, which also adopts a link transmission, and is provided with a sealing rod that is guided and moved up and down, and the connecting plate converts the swing of a pull rod driving connecting lever (i.e., a lower connecting lever) into the up-and-down movement of the sealing rod, and the sealing rod is connected with two arc-extinguishing chamber connecting levers (i.e., upper connecting levers) through respective insulating pull rods. However, the transmission structure in the patent also has the problems of more transmission links, complex structure and low transmission efficiency, and the sealing rod can be subjected to radial force in the guide movement process, so that foreign matters are easily generated, and the insulation performance is affected.
Disclosure of Invention
The invention aims to provide a circuit breaker transmission structure and circuit breaker equipment adopting the structure, and solves the problems that the existing circuit breaker transmission structure has more transmission links and a complex structure.
In order to achieve the purpose, the technical scheme adopted by the transmission structure of the circuit breaker is as follows:
Has the advantages that: according to the technical scheme, the insulating pull rod comprises the first insulating pull rod and the second insulating pull rod which are respectively hinged with the first arc extinguish chamber connecting lever and the second arc extinguish chamber connecting lever, and the pull rod driving connecting lever, the arc extinguish chamber connecting lever and the corresponding insulating pull rod respectively form a parallelogram mechanism and an anti-parallelogram mechanism.
Has the advantages that: the adoption of more than two contact rod guide structures which are arranged at intervals can ensure that the moving contact can stably reciprocate in the horizontal direction, thereby ensuring the guide performance.
And the scheme 8 is based on the circuit breaker transmission structure of the scheme 6, and the inner shielding body is provided with an inward-turning part which is bent inwards.
The circuit breaker transmission structure according to the claim 9, the inward-turning part is formed by an inward-turning edge at the end of the inner shield.
The technical scheme adopted by the circuit breaker equipment is as follows:
The circuit breaker apparatus of claim 8, wherein the inner shield has an inwardly turned portion.
The circuit breaker apparatus of claim 9, wherein the inverted portion is formed by an inverted edge of the end of the inner shield.
Drawings
Figure 1 is a schematic diagram of the structure of one embodiment of the circuit breaker apparatus of the present invention;
fig. 2 is a schematic structural view of the circuit breaker apparatus of fig. 1 in an open position;
fig. 3 is a schematic diagram of the circuit breaker apparatus of fig. 1 in a closed position.
Detailed Description
The invention will be further explained with reference to the drawings.
One embodiment of the circuit breaker equipment is shown in fig. 1-3, and is 550kV tank type circuit breaker equipment, which comprises a circuit breaker cylinder 5, a crank arm box 1 arranged on a lower pull-out flange 23 of the circuit breaker cylinder 5, and an operating structure 20 fixed on the crank arm box 1, wherein a first arc-extinguishing chamber and a second arc-extinguishing chamber which are arranged in axial symmetry are arranged in the circuit breaker cylinder 5, one ends of the first arc-extinguishing chamber and the second arc-extinguishing chamber which are close to each other are fixed on a transmission case 14, and the lower part of the transmission case 14 is supported and fixed on the lower pull-out flange 23 of the circuit breaker cylinder 5 through an insulating support cylinder.
The circuit breaker can be structurally and functionally divided into a transmission structure and an insulating support structure. The transmission structure comprises a fixed part, a guide part and a moving part, wherein the fixed part comprises a crank arm box 1, a transmission shaft 4, a breaker cylinder 5, an upper crank arm rotating shaft 11 and a transmission box 14; the guide part comprises a movable side support 17, a guide ring 18 and a cylindrical support seat 19; the moving part comprises a lower pin shaft 2 of the pull rod, a driving connecting lever 3 of the pull rod, an insulating pull rod 7, an upper pin shaft 9 of the pull rod, an arc extinguish chamber connecting lever 10, a contact rod pin shaft 12, a contact rod connecting rod 13, a contact rod pin shaft 15 and a moving contact rod 16. An inner support platform 24 is arranged in the movable side support 17, a contact rod through hole for the movable contact rod 16 to pass through is arranged on the inner support platform 24, a guide groove is arranged in the contact rod through hole, and the guide ring 18 is arranged in the guide groove to form a support platform guide ring; the arc extinguish chamber further comprises a cylindrical support seat 19 for the contact rod at the power side to pass through, one end of the cylindrical support seat 19 is fixed on the inner support table 24, the other end of the cylindrical support seat is provided with a guide support section, the inner side wall of the guide support section is also provided with a guide groove, and the guide ring 18 is arranged in the guide groove to form a support seat guide ring. The two guide rings 18 form two contact rod guide structures arranged at intervals, so that the moving contact can be ensured to reciprocate smoothly in the horizontal direction. The movable contact rod 16 is matched with the contact rod connecting rod 13 with a certain length, so that the side force transmitted to the movable contact rod 16 through the connecting rod 13 in the rotating process of the arc extinguish chamber connecting lever 10 is reduced, the guiding burden is reduced, and the generation of foreign matters is reduced.
The arc extinguish chamber connecting lever 10 is provided with a left insulating pull rod and a right insulating pull rod 7, the two insulating pull rods 7 respectively correspond to the two arc extinguish chamber connecting levers 10, and the two insulating pull rods 7 are symmetrically arranged left and right and have included angles. The pull rod driving connecting lever 3 is hinged with two insulating pull rods 7 through a pull rod lower pin shaft 2, each insulating pull rod 7 is hinged with a corresponding arc extinguish chamber connecting lever 10 through a pull rod upper pin shaft 9, the pull rod driving connecting lever 3, the insulating pull rod 7 on the right side and the arc extinguish chamber connecting lever 10 form a parallelogram mechanism, the pull rod driving connecting lever 3, the insulating pull rod 7 on the left side and the arc extinguish chamber connecting lever 10 form an inverse parallelogram mechanism, the two sets of the parallelogram mechanisms are driven by the pull rod driving connecting lever 3, and the purpose of converting the movement of the insulating pull rod 7 into the horizontal reciprocating movement of the movable contact rod is achieved through a contact rod connecting rod 13.
The insulating support structure comprises an insulating part and an electric field shielding part, the insulating part comprises an insulating support cylinder 6, the lower end of the insulating support cylinder 6 is fixed on a lower pull-out flange 23 of the breaker cylinder 5, a shielding part 8 and a transmission case 14 are installed at the upper end of the insulating support cylinder, the arc extinguish chambers are symmetrically arranged at left and right sides through a movable side support 17, and the insulating support cylinder 6 realizes the electrical isolation between the arc extinguish chambers at high potential and the breaker cylinder 5 at ground potential. The electric field shielding part comprises a shielding part 8, the shielding part 8 is a casting part and comprises a main body supported between an insulating supporting cylinder 6 and a transmission case 14, the lower end of the main body is fixed with the insulating supporting cylinder 6, and the upper end of the main body supports the transmission case 14 and has the function of bearing up and down. The radial inside and the outside of main part are equipped with downwardly extending's interior shield body 21 and outer shield body 22 respectively, be equipped with the inserts in the section of thick bamboo wall top of insulating support section of thick bamboo 6, the inserts is located between the annular space that interior shield body 21 and outer shield body 22 enclose, can shield the electric field of high potential insert effectively. The outer shielding body 22 is an arc-shaped shielding cover with the top end connected to the top of the main body, the inner shielding body 21 is a ring body arranged at the bottom of the main body, an inward-turned edge 25 which is bent inwards is arranged at the lower end of the ring body to form an inward-turned part, an electric field at the connecting part of the insulating supporting cylinder 6, the shielding piece 8 and the transmission case 14 is reduced, and the insulating performance is guaranteed while the height size is reduced.
An intermediate connecting rod 26 is hinged between one end of the pull rod driving crank arm 3 far away from the insulating pull rod and the output end of the operating mechanism 20, and the operating mechanism is a hydraulic operating mechanism with a telescopic output end. In the using process, the telescopic motion of the operating mechanism is converted into the rotation of the pull rod driving connecting lever 3 around the transmission shaft 4, the pull rod driving connecting lever 3 can drive the insulating pull rod 7 to move up and down and swing left and right with small amplitude when rotating, the arc extinguish chamber connecting lever 10 rotates around an upper connecting lever pin shaft 11 fixed on a transmission box 14 within a certain angle range under the driving of the insulating pull rod 7, and the movable contact rods 16 which are symmetrically arranged left and right are driven by the contact rod connecting rod 13 to do horizontal reciprocating motion to realize opening and closing. Compared with the prior structure, the transmission structure omits a middle connecting plate and a guide device which firstly converts the rotary motion of the pull rod driving crank arm into vertical motion and then is connected with the insulating pull rod, simplifies the transmission link, reduces the motion quality, has the advantages of simple structure, high transmission efficiency and the like, can be applied to 550kV to 1200kV GIS and GCB double-break circuit breakers, realizes the serialized production and management, can reduce the production and management cost, and can improve the production efficiency.
In other embodiments of the present invention, the pull rod driving crank arm 3 and the output end of the operating mechanism 20 may be connected in other ways, for example, a driving pin is disposed on the telescopic output end of the operating mechanism 20, and a long hole is disposed on the pull rod driving crank arm 3, which is slidably and rotatably engaged with the driving pin. In addition, in other embodiments, the L-shaped pull rod driving crank arm 3 may be replaced by other forms, for example, a swing arm hinged to the pull rod and a swing arm in transmission connection with the operating mechanism are respectively fixed on one rotating shaft, and the swing arm in transmission connection with the operating mechanism may also be arranged outside the crank arm box 1. In other embodiments, the two insulating pull rods may be overlapped with each other in the opening state according to parameters such as the stroke of the circuit breaker, the transmission ratio between the pull rod driving crank arm 3 and the arc extinguishing chamber crank arm 10, and the mechanism output requirement.
An embodiment of the transmission structure of the circuit breaker in the present invention is a part of the above embodiments of the circuit breaker except for the operating mechanism 20, and the detailed structure is not described herein again.
Finally, it is to be noted that: although the present invention has been described in detail with reference to the foregoing embodiments, those skilled in the art will understand that various changes, modifications and substitutions can be made without departing from the spirit and scope of the invention as defined by the appended claims. Any modification, equivalent replacement, or improvement made within the spirit and principle of the present invention should be included in the protection scope of the present invention.
Claims (14)
1. Circuit breaker transmission structure, including symmetrical arrangement's first, two explosion chambers, first, two explosion chamber connecting levers of being connected with the movable contact pole transmission respectively of first, two explosion chambers, with the insulating pull rod of each explosion chamber connecting lever articulated and be used for driving the pull rod drive connecting lever of insulating pull rod action, its characterized in that: the insulating pull rod comprises a first insulating pull rod and a second insulating pull rod which are respectively hinged with a first arc extinguish chamber connecting lever and a second arc extinguish chamber connecting lever, each insulating pull rod is hinged with the pull rod driving connecting lever, the first insulating pull rod and the first arc extinguish chamber connecting lever form a parallelogram mechanism, the pull rod driving connecting lever, the second insulating pull rod and the second arc extinguish chamber connecting lever form an anti-parallelogram mechanism, the arc extinguish chamber comprises a movable side support for guiding and assembling the movable contact rod, the movable side support is provided with more than two contact rod guiding structures which are arranged at intervals, an inner support table is arranged in the movable side support, the inner support table and the movable side support are of an integrated structure, the contact rod penetrating hole for the movable contact rod to penetrate through is formed in the inner support table, the support table guiding ring is arranged in the contact rod penetrating hole, the support table guiding ring forms a contact rod guiding structure, and the arc extinguish chamber also comprises a cylindrical support seat for the movable contact rod, the cylindrical support seat is arranged on the inner support table in a hanging mode along the axial direction of the movable contact rod, one end of the cylindrical support seat is fixed on the inner support table, the other end of the cylindrical support seat is a hanging end and is provided with a guide support section, a support seat guide ring is arranged on the inner side wall of the guide support section, and the support seat guide ring forms a guide structure of the other position of the movable contact rod; defining the part of the cylindrical supporting seat fixedly connected with the inner supporting table as a first cylindrical section, defining the guide supporting section of the cylindrical supporting seat as a third cylindrical section, defining the part between the first cylindrical section and the third cylindrical section of the cylindrical supporting seat as a second cylindrical section, and forming a gap between the inner wall of the second cylindrical section and the movable contact rod; the inner supporting platform comprises a large-diameter section and a small-diameter section, the large-diameter section is integrally connected with the movable side support, the small-diameter section enables one end of the inner supporting platform to extend along the axial direction of the movable contact rod, and the extending direction of the inner supporting platform is opposite to the overhanging direction of the cylindrical supporting seat.
2. The circuit breaker drive configuration of claim 1, wherein: first and second contact rod connecting rods are respectively hinged between the first and second arc extinguish chamber connecting levers and the movable contact rods of the first and second arc extinguish chambers.
3. The circuit breaker drive configuration of claim 1, wherein: the circuit breaker transmission structure comprises a circuit breaker barrel, a transmission case is fixed between a first arc extinguish chamber and a second arc extinguish chamber, the transmission case is supported on the circuit breaker barrel through an insulating supporting barrel, a shielding part is arranged between the insulating supporting barrel and the transmission case, the shielding part comprises a main body supported between the insulating supporting barrel and the transmission case, the radial inner side and the outer side of the main body are respectively provided with an inner shielding body and an outer shielding body which extend downwards, and the barrel wall of the insulating supporting barrel is positioned between the inner shielding body and the outer shielding body.
4. The circuit breaker drive configuration of claim 3, wherein: an insert is arranged in the top end of the wall of the insulating support cylinder and is positioned between the inner shielding body and the outer shielding body.
5. The circuit breaker drive configuration of claim 3, wherein: the inner shield has an inwardly turned portion.
6. The circuit breaker drive configuration of claim 5, wherein: the inward turning part is formed by an inward turning edge at the tail end of the inner shield.
7. The circuit breaker drive configuration of claim 3, wherein: the shield is a casting.
8. Breaker equipment, including operating mechanism, symmetrical arrangement's first, two explosion chambers, first, two explosion chamber connecting levers of being connected with the movable contact pole transmission respectively of first, two explosion chambers, with each explosion chamber connecting lever articulated insulating pull rod and be used for driving the pull rod drive connecting lever of insulating pull rod action, its characterized in that: the insulating pull rod comprises a first insulating pull rod and a second insulating pull rod which are respectively hinged with a first arc extinguish chamber connecting lever and a second arc extinguish chamber connecting lever, each insulating pull rod is hinged with the pull rod driving connecting lever, the first insulating pull rod and the first arc extinguish chamber connecting lever form a parallelogram mechanism, the pull rod driving connecting lever, the second insulating pull rod and the second arc extinguish chamber connecting lever form an anti-parallelogram mechanism, the arc extinguish chamber comprises a movable side support for guiding and assembling the movable contact rod, the movable side support is provided with more than two contact rod guiding structures which are arranged at intervals, an inner support table is arranged in the movable side support, the inner support table and the movable side support are of an integrated structure, the contact rod penetrating hole for the movable contact rod to penetrate through is formed in the inner support table, the support table guiding ring is arranged in the contact rod penetrating hole, the support table guiding ring forms a contact rod guiding structure, and the arc extinguish chamber also comprises a cylindrical support seat for the movable contact rod, the cylindrical support seat is arranged on the inner support table in a hanging mode along the axial direction of the movable contact rod, one end of the cylindrical support seat is fixed on the inner support table, the other end of the cylindrical support seat is a hanging end and is provided with a guide support section, a support seat guide ring is arranged on the inner side wall of the guide support section, and the support seat guide ring forms a guide structure of the other position of the movable contact rod; defining the part of the cylindrical supporting seat fixedly connected with the inner supporting table as a first cylindrical section, defining the guide supporting section of the cylindrical supporting seat as a third cylindrical section, defining the part between the first cylindrical section and the third cylindrical section of the cylindrical supporting seat as a second cylindrical section, and forming a gap between the inner wall of the second cylindrical section and the movable contact rod; the inner supporting platform comprises a large-diameter section and a small-diameter section, the large-diameter section is integrally connected with the movable side support, the small-diameter section enables one end of the inner supporting platform to extend along the axial direction of the movable contact rod, and the extending direction of the inner supporting platform is opposite to the overhanging direction of the cylindrical supporting seat.
9. The circuit breaker apparatus of claim 8, wherein: first and second contact rod connecting rods are respectively hinged between the first and second arc extinguish chamber connecting levers and the movable contact rods of the first and second arc extinguish chambers.
10. The circuit breaker apparatus of claim 8, wherein: the circuit breaker transmission structure comprises a circuit breaker barrel, a transmission case is fixed between a first arc extinguish chamber and a second arc extinguish chamber, the transmission case is supported on the circuit breaker barrel through an insulating supporting barrel, a shielding part is arranged between the insulating supporting barrel and the transmission case, the shielding part comprises a main body supported between the insulating supporting barrel and the transmission case, the radial inner side and the outer side of the main body are respectively provided with an inner shielding body and an outer shielding body which extend downwards, and the barrel wall of the insulating supporting barrel is positioned between the inner shielding body and the outer shielding body.
11. The circuit breaker apparatus of claim 10, wherein: an insert is arranged in the top end of the wall of the insulating support cylinder and is positioned between the inner shielding body and the outer shielding body.
12. The circuit breaker apparatus of claim 10, wherein: the inner shield has an inwardly turned portion.
13. The circuit breaker apparatus of claim 12, wherein: the inward turning part is formed by an inward turning edge at the tail end of the inner shield.
14. The circuit breaker apparatus of claim 10, wherein: the shield is a casting.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810031297.6A CN108321040B (en) | 2018-01-12 | 2018-01-12 | Circuit breaker transmission structure and circuit breaker equipment adopting same |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810031297.6A CN108321040B (en) | 2018-01-12 | 2018-01-12 | Circuit breaker transmission structure and circuit breaker equipment adopting same |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN108321040A CN108321040A (en) | 2018-07-24 |
| CN108321040B true CN108321040B (en) | 2020-05-08 |
Family
ID=62894308
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201810031297.6A Active CN108321040B (en) | 2018-01-12 | 2018-01-12 | Circuit breaker transmission structure and circuit breaker equipment adopting same |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN108321040B (en) |
Families Citing this family (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE102018213222A1 (en) * | 2018-08-07 | 2020-02-13 | Siemens Aktiengesellschaft | Switching device and gear unit therefor |
| CN114628191A (en) * | 2020-12-14 | 2022-06-14 | 平高集团有限公司 | Shell structure and circuit breaker |
| CN114284114B (en) * | 2021-11-19 | 2024-04-05 | 河南平高电气股份有限公司 | High-voltage circuit breaker and circuit breaker connecting box |
| CN114068238B (en) * | 2021-12-29 | 2022-12-30 | 山东大学 | Circuit breaker transmission mechanism, circuit breaker and environment-friendly inflating cabinet |
| CN114655876A (en) * | 2022-03-09 | 2022-06-24 | 苏州泰瑞迅科技有限公司 | Chain type right-angle ejector rod mechanism |
| CN115331989B (en) * | 2022-08-17 | 2024-05-31 | 中国南方电网有限责任公司超高压输电公司检修试验中心 | Triple transmission device and direct-current high-speed switch |
Family Cites Families (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102013356B (en) * | 2010-11-30 | 2012-12-19 | 中国西电电气股份有限公司 | Arc extinguish chambers of high voltage alternating current SF6 pot-type breaker |
| KR20140115099A (en) * | 2013-03-20 | 2014-09-30 | 현대중공업 주식회사 | Gas-insulated circuit breaker 2 points the effective driving force passed with a structure |
| CN104465203B (en) * | 2014-12-04 | 2016-12-07 | 中国西电电气股份有限公司 | A kind of primary cut-out actuating device |
| CN204927167U (en) * | 2015-09-14 | 2015-12-30 | 河南平高电气股份有限公司 | Direction strutting arrangement and use device's pillar, knob insulator formula circuit breaker |
| CN106960755B (en) * | 2017-04-05 | 2019-05-03 | 平高集团有限公司 | A kind of contact system and monopole arc-chutes and on-load switch using the contact system |
-
2018
- 2018-01-12 CN CN201810031297.6A patent/CN108321040B/en active Active
Also Published As
| Publication number | Publication date |
|---|---|
| CN108321040A (en) | 2018-07-24 |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN108321040B (en) | Circuit breaker transmission structure and circuit breaker equipment adopting same | |
| WO2018086561A1 (en) | Gas-insulated bus grounding component, grounding device and gas-insulated switch cabinet | |
| CN108172457B (en) | A kind of vacuum circuit breaker with double breaks for medium pressure gas insulated switching installation | |
| RU2213403C2 (en) | Horizontally mounted encapsulated high-voltage power switch | |
| CN107068433B (en) | A kind of piston mechanism of Fast mechanical switch | |
| CN106356241A (en) | High-stability high-pressure vacuum circuit breaker | |
| WO2016054853A1 (en) | Interrupter assembly and porcelain column type sulfur hexafluoride breaker | |
| CN114446700A (en) | Double-break isolating switch | |
| CN106531545B (en) | A kind of high-pressure vacuum breaker | |
| CN108711529B (en) | Extra-high voltage + -1100 kv direct current folding arm telescopic horizontal type ground grounding switch | |
| CN111312554B (en) | Vacuum circuit breaker | |
| WO2016034088A1 (en) | Composite combined electric appliance | |
| CN207038416U (en) | A kind of novel vacuum circuit breaker combined floodgate locking device | |
| WO2016066097A1 (en) | Arc extinguish chamber for isolated circuit breaker and isolated circuit breaker using same | |
| CN202534585U (en) | Vacuum circuit breaker | |
| CN216818195U (en) | Upper isolation circuit breaker | |
| CN108983080A (en) | A kind of operating mechanism breaker fictitious load experimental rig | |
| CN210378867U (en) | Vertical action isolating switch | |
| CN111900004A (en) | Interlocking device of emergency power supply double switches | |
| CN207082483U (en) | A kind of gas-filling cabinet vacuum circuit breaker | |
| CN205406377U (en) | Major loop is established ties with induced -current's that opens and shuts superhigh pressure earthing switch with explosion chamber | |
| CN201975318U (en) | High pressure alternating current porcelain column type SF6 special-purpose breaker | |
| CN206098276U (en) | Outdoor high voltage transmission lines automatic control structure | |
| CN110634704A (en) | Quick earthing switch | |
| CN217386993U (en) | Solid-sealed polar pole of gas-filled switch |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| PB01 | Publication | ||
| PB01 | Publication | ||
| SE01 | Entry into force of request for substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| GR01 | Patent grant | ||
| GR01 | Patent grant |